ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,289, issued on Nov. 18, was assigned to Harman International Industries Inc. (Stamford, Conn.).

"Apparatus having an insert for testing an earpiece of a headphone" was invented by Christian Manuel Garcia (Winnetka, Calif.) and Alfredo Fernandez Franco (Sherman Oaks, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for testing an earpiece of a headphone includes an insert configured to be connected to a head-shaped fixture. The insert has an inner side and an outer side that is opposite the inner side. The outer side is configured to engage the earpiece. The insert defines at least one fluid pocket. The fluid pocket is located betwe...